The design of the Z-Flex flexible light strip includes an LED board housed in a D-channel tube that is 0.325-in. x 0.325-in.

These LED strips are flexible, meaning they can be bent front to back and installed on a curved surface.Installation is easy: Peel the 3M brand automotive-grade double-sided tape and stick the strip in place. Connects to the electric circuit with 2-wire installation; the black wire is used as a ground wire and the red or amber wire connects to +12V DC.